Submission #267374

#	Time	Username	Problem	Language	Result	Execution time	Memory
267374		blue	Street Lamps (APIO19_street_lamps)	C++11	20 / 100	5088 ms	69132 KiB

street_lamps

#include <iostream>
#include <string>
using namespace std;

int main()
{
    int n, q;
    cin >> n >> q;

    string S;
    cin >> S;

    bool on[n+1];
    for(int i = 1; i <= n; i++) on[i] = S[i-1] == '1';

    int drive[n+1][n+2];
    for(int a = 1; a <= n; a++) for(int b = a; b <= n+1; b++) drive[a][b] = 0;


    int A, B;

    for(int i = 1; i <= q; i++)
    {
        for(int a = 1; a <= n; a++)
        {
            for(int b = a+1; b <= n+1; b++)
            {
                if(!on[b-1]) break;
                drive[a][b]++;
            }
        }

        cin >> S;
        if(S == "toggle")
        {
            cin >> A;
            on[A] = !on[A];
        }
        else
        {
            cin >> A >> B;
            cout << drive[A][B] << '\n';
        }
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20